It briefly introduces the production technics of caustic soda evaporation process.The problems about the coupling level in evaporators and its decoupling control are analyzed.

• 主要介绍了烧碱蒸发过程的生产工艺,分析了烧碱蒸发过程各效蒸发器液位的耦合及其控制问题,并对结盐及洗罐等若干问题进行了探讨。